XML 62 R50.htm IDEA: XBRL DOCUMENT v3.21.2
DEBT - Narrative (Details)
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 01, 2020
segment
Jul. 31, 2020
USD ($)
$ / shares
Mar. 31, 2017
USD ($)
$ / shares
Sep. 30, 2021
USD ($)
segment
$ / shares
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
$ / shares
Sep. 30, 2020
USD ($)
DEBT AND FINANCING OBLIGATIONS              
Settlement period - convertible debt conversion request           40 days  
Closing sale price (in dollars per share) | $ / shares       $ 56.00   $ 56.00  
Deferred tax associated with equity component of convertible debt           $ 20,500,000  
Amortization period of transaction costs attributable to liability component of convertible debt           5 years  
Transaction costs attributable to equity component of convertible debt           $ 2,700,000  
Loss on early extinguishment of debt       $ 0 $ 8,071,000 $ 0 $ 8,071,000
Convertible Senior Notes Due 2025              
DEBT AND FINANCING OBLIGATIONS              
Percentage of last sale price of common stock       98.00%      
Market price of principal amount of notes       1.086   1.086  
Initial conversion rate of common stock per $1,000 of principal amount of Notes           0.0139324  
Initial conversion price of notes into common stock (in dollars per share) | $ / shares   $ 71.78 $ 71.78        
Convertible debt, premium on common stock   32.50%          
Closing sale price (in dollars per share) | $ / shares   $ 54.17          
Debt instrument, percentage of principal amount for computation of redemption price       100.00%      
Convertible Senior Notes Due 2025 | Debt Conversion Terms Business Day Immediately Preceding February 3, 2020              
DEBT AND FINANCING OBLIGATIONS              
Threshold trading days | segment       20      
Threshold consecutive trading days | segment       30      
Threshold percentage stock price trigger       130.00%      
Convertible Senior Notes Due 2025 | Debt Redemption Terms on or after August 1, 2023              
DEBT AND FINANCING OBLIGATIONS              
Threshold trading days | segment       20      
Threshold consecutive trading days | segment       30      
Threshold percentage stock price trigger       130.00%      
Debt instrument, percentage of principal amount for computation of redemption price       100.00%      
Convertible Senior Notes Due 2022              
DEBT AND FINANCING OBLIGATIONS              
Settlement period - convertible debt conversion request           40 days  
Initial conversion rate of common stock per $1,000 of principal amount of Notes           0.0149491  
Initial conversion price of notes into common stock (in dollars per share) | $ / shares     $ 66.89        
Convertible debt, premium on common stock     37.50%        
Closing sale price (in dollars per share) | $ / shares     $ 48.65        
Convertible Senior Notes Due 2022 | Conversion terms prior to close of business on business day immediately proceeding October 1, 2021              
DEBT AND FINANCING OBLIGATIONS              
Market price of principal amount of notes       1.038   1.038  
Convertible Senior Notes Due 2022 | Debt Redemption Terms on or after April 1, 2020              
DEBT AND FINANCING OBLIGATIONS              
Threshold trading days | segment 20            
Threshold consecutive trading days | segment 30            
Threshold percentage stock price trigger 130.00%            
Debt instrument, percentage of principal amount for computation of redemption price 100.00%            
Conversion obligation, number of trading days prior to date of notice of redemption 5 days            
Unsecured Debt | Convertible Senior Notes Due 2025              
DEBT AND FINANCING OBLIGATIONS              
Debt instrument, face amount   $ 402,500,000          
Stated interest rate (as a percent)   0.75%   0.75%   0.75%  
Debt issued in private placement   $ 390,000,000       $ 402,500,000  
Unsecured Debt | Convertible Senior Notes Due 2022              
DEBT AND FINANCING OBLIGATIONS              
Debt instrument, face amount   $ 160,000,000          
Stated interest rate (as a percent)   2.375% 2.375% 2.375%   2.375%  
Debt issued in private placement     $ 345,000,000        
Debt instrument, repurchased face amount   $ 185,000,000          
Repayments of debt   211,100,000          
Loss on early extinguishment of debt   $ 8,100,000          
Convertible Debt | Convertible Senior Notes Due 2025              
DEBT AND FINANCING OBLIGATIONS              
Convertible debt, carrying amount of liability component       $ 314,700,000   $ 314,700,000  
Assumed borrowing rate       5.78%   5.78%  
Convertible debt, carrying amount of equity component       $ 87,800,000   $ 87,800,000  
Amortization period of equity component of convertible debt           5 years  
Total transaction costs           $ 12,500,000